Across the country, students walk out to protest gun violence

Students from Marjory Stoneman Douglas High School gather on the football field on Wednesday to honor the memories of 17 people who were killed during a mass shooting at the school in Parkland, Fla., on Feb. 14.
Students from Marjory Stoneman Douglas High School gather on the football field on Wednesday to honor the memories of 17 people who were killed during a mass shooting at the school in Parkland, Fla., on Feb. 14.